Skip to content
Free shipping on orders $250 and up!
Free shipping on orders $250 and up!

Lock Nuts

  • 3/8"-16 Zinc Plated Grade 2 Steel Coarse Thread Kep Lock Nuts
    $11.15 - $23.68
    $11.15 - $23.68
    $11.15 - $23.68
    $11.15

    3/8"-16 Zinc Plated Grade 2 Steel Coarse Thread Kep Lock Nuts LNS-308

    Monster Fastener
    10+ in stock

    Diameter: 3/8"Diameter 2: 21/32"Thickness: 3/8"Material: SteelFinish: ZincDriver Type: 9/16" WrenchThread Size: 16 (Coarse)Hardness: Grade 2Style: ...

    View full details
    $11.15 - $23.68
    $11.15 - $23.68
    $11.15 - $23.68
    $11.15
  • 7/16"-14 Zinc Plated Grade 2 Steel Coarse Thread Lock Nuts
    $10.22 - $14.62
    $10.22 - $14.62
    $10.22 - $14.62
    $10.22

    7/16"-14 Zinc Plated Grade 2 Steel Coarse Thread Lock Nuts LNS-338

    Monster Fastener
    10+ in stock

    Diameter: 7/16"Diameter 2: 23/32"Thickness: 3/8"Material: SteelFinish: ZincDriver Type: 11/16" WrenchThread Size: 14 (Coarse)Hardness: Grade 2Style...

    View full details
    $10.22 - $14.62
    $10.22 - $14.62
    $10.22 - $14.62
    $10.22
  • 5/16"-18 Zinc Plated Grade 5 Steel Coarse Thread Flange Lock Nuts
    $10.65 - $10.65
    $10.65
    $10.65 - $10.65
    $10.65

    5/16"-18 Zinc Plated Grade 5 Steel Coarse Thread Flange Lock Nuts (15 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Diameter 2: 11/16"Thickness: 3/8"Material: SteelFinish: ZincDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Hardness: Grade 5Style: ...

    View full details
    $10.65 - $10.65
    $10.65
    $10.65 - $10.65
    $10.65
  • 7/16"-20 18-8 Stainless Steel Fine Thread Type C Lock Nuts
    $15.79 - $15.79
    $15.79
    $15.79 - $15.79
    $15.79

    7/16"-20 18-8 Stainless Steel Fine Thread Type C Lock Nuts (6 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 7/16"Diameter 2: 25/32"Thickness: 3/8"Material: Stainless SteelDriver Type: 11/16" WrenchThread Size: 20 (Fine)Hardness: 18-8Style: Type ...

    View full details
    $15.79 - $15.79
    $15.79
    $15.79 - $15.79
    $15.79
  • 3/8"-24 Zinc Plated Grade 2 Steel Fine Thread Kep Lock Nuts
    $9.00 - $9.00
    $9.00
    $9.00 - $9.00
    $9.00

    3/8"-24 Zinc Plated Grade 2 Steel Fine Thread Kep Lock Nuts (10 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 3/8"Diameter 2: 21/32"Thickness: 3/8"Material: SteelFinish: ZincDriver Type: 9/16" WrenchThread Size: 24 (Fine)Hardness: Grade 2Style: Ke...

    View full details
    $9.00 - $9.00
    $9.00
    $9.00 - $9.00
    $9.00
  • 7/16"-14 Zinc Plated Grade 2 Steel Coarse Thread Lock Nuts
    $12.91 - $12.91
    $12.91
    $12.91 - $12.91
    $12.91

    7/16"-14 Zinc Plated Grade 2 Steel Coarse Thread Lock Nuts (12 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 7/16"Diameter 2: 23/32"Thickness: 3/8"Material: SteelFinish: ZincDriver Type: 11/16" WrenchThread Size: 14 (Coarse)Hardness: Grade 2Style...

    View full details
    $12.91 - $12.91
    $12.91
    $12.91 - $12.91
    $12.91
  • 7/16"-20 Zinc Plated Grade 2 Steel Fine Thread Top Lock Nuts
    $13.47 - $13.47
    $13.47
    $13.47 - $13.47
    $13.47

    7/16"-20 Zinc Plated Grade 2 Steel Fine Thread Top Lock Nuts (12 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 7/16"Diameter 2: 23/32"Thickness: 3/8"Material: SteelFinish: ZincDriver Type: 5/8" WrenchThread Size: 20 (Fine)Hardness: Grade 2Style: To...

    View full details
    $13.47 - $13.47
    $13.47
    $13.47 - $13.47
    $13.47
  • 3/8"-16 Zinc Plated Grade 2 Steel Coarse Thread Kep Lock Nuts
    $11.37 - $13.27
    $11.37 - $13.27
    $11.37 - $13.27
    $11.37

    3/8"-16 Zinc Plated Grade 2 Steel Coarse Thread Kep Lock Nuts

    Monster Fastener
    10+ in stock

    Diameter: 3/8"Diameter 2: 21/32"Thickness: 3/8"Material: SteelFinish: ZincDriver Type: 9/16" WrenchThread Size: 16 (Coarse)Hardness: Grade 2Style: ...

    View full details
    $11.37 - $13.27
    $11.37 - $13.27
    $11.37 - $13.27
    $11.37
  • 7/16"-14 Black Phosphate Grade 2 Steel Coarse Thread Lock Nuts
    $40.18 - $40.18
    $40.18
    $40.18 - $40.18
    $40.18

    7/16"-14 Black Phosphate Grade 2 Lock Nuts LNS-416 (192 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 7/16"Diameter 2: 23/32"Thickness: 3/8"Material: SteelFinish: Black PhosphateDriver Type: 11/16" WrenchThread Size: 14 (Coarse)Hardness: G...

    View full details
    $40.18 - $40.18
    $40.18
    $40.18 - $40.18
    $40.18